Meningococci.
D000293:Adolescent; D000328:Adult; D000907:Antibodies, Bacterial; D000942:Antigens, Bacterial; D001428:Bacterial Vaccines; D002353:Carrier State; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007113:Immunity, Innate; D007223:Infant; D008297:Male; D008585:Meningitis, Meningococcal / Q000453:epidemiology / Q000382:microbiology* / Q000628:therapy; D008589:Meningococcal Infections / Q000453:epidemiology / Q000382:microbiology* / Q000628:therapy; D009345:Neisseria meningitidis / Q000145:classification / Q000276:immunology; D011135:Polysaccharides, Bacterial / Q000276:immunology; D012703:Serotyping
D000907:Antibodies, Bacterial; D000942:Antigens, Bacterial; D001428:Bacterial Vaccines; D011135:Polysaccharides, Bacterial